The Fearsome Foursome




Bike Ride

8700 ft

Begins in:
Boulder, CO, United States
Created By:
Jason Fraze
Start at 6th and Canyon <br> <br> -Ride up 6th and turn right on baseline. Ride to the top of super Flagstaff. <br> -Ride back down, go back down 6th. <br> -Ride up 4th to Mapleton. <br> -Head west on mapleton and ride to the end of the pavement on sunshine canyon. <br> -return to Canyon Blvd. Ride up the canyon to Sugarload rd. <br> -(Option: take Poorman Rd. to 4 Mile Canyon Dr. to save some time.) <br> -Go up Sugarloaf to Sugarloaf Mtn rd. <br> -Return to Canyon. <br> -Ride up Magnolia to the end of the pavement. <br> -Return to Boulder via Canyon.
Bike Ride


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Climb Details

Rating Start/End Points Length Start/End Elevation Avg Grade
Cat 1 0.06 mi/5.91 mi 5.85 mi 5,419 ft/7,675 ft 7.3%
Cat 2 12.07 mi/18.36 mi 6.28 mi 5,411 ft/7,163 ft 5.3%
Cat 1 24.52 mi/33.91 mi 9.40 mi 5,417 ft/7,977 ft 5.2%
Cat 1 38.58 mi/43.56 mi 4.98 mi 6,164 ft/8,297 ft 8.1%

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